Lead Java Developer (Server-side, Microservices) Bank – London

Salt Digital Recruitment; Greater London; Hybrid; GBP 95,000 - 126,000; Full time

Job summary

Salt Digital Recruitment is assisting a major bank in London with a Lead Java Developer role. You will drive the migration to event-based, service-oriented architecture, lead end-to-end IT delivery, and mentor junior developers, collaborating with architects and delivery teams.

Requires strong Java, Kafka, Spring Boot, and microservices experience. The role is hybrid in London, with daily rate constraints and a 12-month contract starting ASAP.

Qualifications

• Strong Java development experience across full SDLC.
• Experience delivering event-based, service-oriented architectures.
• Hands-on in building and migrating to microservices.
• Exposure to Docker/Kubernetes containerized deployments.
• Familiar with Cloud deployment and performance tuning.

Responsibilities

• Part of an Agile team delivering migration to event-based and SOA architecture.
• Lead end-to-end IT solution delivery meeting functional and non-functional requirements.
• Ensure solutions align with enterprise engineering standards.
• Coordinate solution walkthroughs across delivery teams for consistency.
• Provide hands-on development and mentor staff in new tech.

Skills

Java

Kafka

Microservices

Spring Boot

OO Design

Performance tuning

BDD/TDD

Agile development

Public Cloud

Tools

Docker

Kubernetes

Job description

Lead Java Developer (Kafka, Microservices, Spring boot) - Bank - London/Hybrid Daily rate: €600 - €800 (inside IR35) Duration: 12 months Start: ASAP Hybrid: 8 days per month

Responsibilities & Duties

• Working as part of an Agile development team to deliver the migration of the legacy application to new event-based and service-oriented architecture solution, working in collaboration with the Solution Architect, Technical Lead, Application architects and other stakeholders.
• Lead delivery of a coherent end-to-end IT solution that meets both functional and non-functional requirements.
• Ensuring that the IT solution complies with the Enterprise engineering and architecture standards.
• Ensuring end-to-end consistency of solution delivery across platforms and teams by, for instance, organising walkthroughs of the solution with delivery teams.
• Ensuring that the solution meets guidelines and standards for design and development.
• Undertaking hands-on development and coaching staff in the new technologies used;
• The successful candidate will be expected to support the development of more junior colleagues

Candidate Traits:

The successful candidate will have demonstrable solutions design and development skills and experience alongside validated strong systems development experience at all stages of the software delivery lifecycle.

Technical Skills:

• Strong systems development experience at all stages of systems development covering design, development, testing, live implementation and post implementation support.
• Strong hands‑on Object-Oriented Design skills
• Strong core Java programming skills
• Experience of developing services/micro‑services in Java
• Experience of developing containerised services using Docker and Kubernetes
• Hands‑on SpringBoot skills
• Experience of developing and deploying on Unix or Linux
• Hands‑on experience of using the Kafka ecosystem
• Experience of profiling and performance tuning
• Experience of Behaviour‑Driven and Test‑Driven development principles and skills
• Experience of Public Cloud development

Soft Skills:

• Have the ability to motivate those you mentor, coach & lead
• Be a stand‑out colleague and role model, willing to participate in peer reviews and to be reviewed by peers
• Be reliable, self‑motivated and able to work without close management and supervision
• Possess inspiring communication and presentation skills to present proposals both orally and in writing
• Have the demonstrable ability to complete work within agreed timescales and identify problems and provide the most suitable solution(s)

Desirable Skills:

• Working in an Agile development team
• Designing and implementing platform independent, database independent event driven applications
• Database design skills in technologies such as Oracle Splunk DevOps principles, processes and tooling
• IBM MQ Messaging Standards, for example ISO 15022, ISO 20022 and JSON
• Working in Financial Market Infrastructure and/or Regulated environments

Rates depend on experience and client requirements